Question

China, a country with 145 million elderly people, will ________ an aging society during this century, according to Chinese population experts．

1. A.
   suggest
2. B.
   remain
3. C.
   replace
4. D.
   become

Answer 1

B
考查动词区别。根据题意知应该是“仍然保持在老龄社会”这种状态，故用B项。
由于前面提到已经有145 million elderly people，因此，不应该是become(变成)老龄社会。